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Re: worker affinity and YARN scheduling - MapReduce - [mail # user]
...On Nov 11, 2013, at 6:28 AM, John Lilley  wrote:   Correct, that is why the resource protocol is designed as it is i.e. reduce #requests required.   Generally - yes. It does d...
   Author: Arun C Murthy, 2013-11-12, 02:25
Re: release-2.2.0 tag? - MapReduce - [mail # dev]
...http://svn.apache.org/viewvc/hadoop/common/tags/release-2.2.0/  Arun  On Nov 7, 2013, at 6:52 PM, Mohammad Islam  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonwo...
   Author: Arun C Murthy, 2013-11-08, 16:10
[MAPREDUCE-3449] Port Mumak to work with MRv2 ResourceManager - MapReduce - [issue]
...It would be very useful to port Mumak-like functionality for simulation for YARN ResourceManager....
http://issues.apache.org/jira/browse/MAPREDUCE-3449    Author: Arun C Murthy, 2013-11-03, 03:11
[MAPREDUCE-379] Implement a Map-Reduce application which can be used to reliably launch speculative tasks - MapReduce - [issue]
...It would be very useful to have a reliable test case to help launch speculative tasks (maps and/or reduces) to help debug problems or fine-tune strategies for speculative execution.I propose...
http://issues.apache.org/jira/browse/MAPREDUCE-379    Author: Arun C Murthy, 2013-11-03, 03:11
Re: Hadoop 2.2.0 MR tasks failing - MapReduce - [mail # user]
...If you follow the links on the web-ui to the logs of the map/reduce tasks, what do you see there?  Arun  On Oct 21, 2013, at 9:55 PM, Robert Dyer  wrote:   Arun C. Murthy...
   Author: Arun C Murthy, 2013-10-22, 05:16
[expand - 1 more] - Re: Managing docs with hadoop-1 & hadoop-2 - MapReduce - [mail # dev]
...On Oct 18, 2013, at 2:17 PM, Eli Collins  wrote:   Let's point stable -> stable2 & current to current2 (for e.g. 2.3 in future).   This way we all look ahead. Makes sense? ...
   Author: Arun C Murthy, 2013-10-22, 04:50
Re: How to modify the Map-Reduce execution order? - MapReduce - [mail # dev]
...You might be interested in Apache Tez which provides native support for these sort of scenarios by being a super-set of MapReduce:  http://tez.incubator.apache.org/  Arun  On ...
   Author: Arun C Murthy, 2013-10-18, 21:06
Re: Yarn never use TeraSort#TotalOrderPartitioner when run TeraSort job? - MapReduce - [mail # user]
...Apologies for the late response.  In hadoop-2 TeraSort uses the new org.apache.hadoop.mapreduce apis (not org.apache.hadoop.mapred).  Did you fiddle with the right TotalOrderPartit...
   Author: Arun C Murthy, 2013-10-18, 21:03
Re: Hadoop 2.2.0 docs - MapReduce - [mail # user]
...Try this?  http://hadoop.apache.org/docs/r2.2.0/hadoop-project-dist/hadoop-common/SingleCluster.html http://hadoop.apache.org/docs/r2.2.0/hadoop-project-dist/hadoop-common/ClusterSetup....
   Author: Arun C Murthy, 2013-10-18, 21:00
[expand - 1 more] - Re: [VOTE] Release Apache Hadoop 2.2.0 - MapReduce - [mail # dev]
...With 31 +1s (15 binding) and no -1s the vote passes.   Congratulations to all, Hadoop 2 is now GA!  thanks, Arun  On Oct 7, 2013, at 12:00 AM, Arun C Murthy  wrote:  ...
   Author: Arun C Murthy, 2013-10-16, 04:35
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB